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A mica wrapping composite tape for fire-resistant cables

A fire-resistant cable and mica tape technology, which is applied in the direction of insulating cables, cables, circuits, etc., can solve the problems of cable core damage, too thin insulation performance, etc., and achieve the effects of reducing damage, good flame retardant effect, and improved fire resistance

Active Publication Date: 2020-09-18
安徽晨希电缆科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the use of cables, in order to prevent fires, a layer of mica will be wrapped inside the cable as a fire-resistant layer. Although mica has good fire resistance, it is too thin and the insulation performance is not strong and it is easy to cause damage to the cable core. Therefore, it is necessary to mica to set

Method used

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  • A mica wrapping composite tape for fire-resistant cables

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Embodiment Construction

[0011] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention will be further explained below.

[0012] Such as figure 1 As shown, a mica-wrapped composite tape for fire-resistant cables includes a mica tape 3, a polyester film 5 is attached to the upper and lower sides of the mica tape 3, and a polyester film 5 on the upper layer of the mica tape 3 is attached There is a ceramic silicone rubber layer 4, the polyester film 5 of the lower layer of the mica tape 3 is pasted with a soft metal sheet 2, and the soft metal sheet 2 and the ceramic silicone rubber layer 4 are both bonded with Flame retardant glass fiber tape 1.

[0013] The polyester film 5 on the mica tape 3, the ceramic silicon rubber layer 4, the soft metal sheet 2, and the flame-retardant glass fiber tape 1 are all formed by hot pressing.

[0014] The polyester film 5 on the mica tape 3, the ceramicized silicon rubber layer 4, t...

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Abstract

The invention relates to the field of cable materials, in particular to a mica-wrapped composite belt for a fire-resistant cable. The mica-wrapped composite belt comprises a mica belt, wherein upper and lower surfaces of the mica belt are each adhered with a polyester film, the polyester film on the upper layer of the mica belt is adhered with a ceramic silicone rubber layer, the polyester film onthe lower layer of the mica belt is adhered with soft sheet metal, and the soft sheet metal and the ceramic silicone rubber layer are each adhered with a flame-retardant glass fiber belt. Compared with ordinary fire-resistant mica, the mica-wrapped composite belt for fire-resistant cable has better flame-retardant effect by utilizing double-layer flame-retardant glass fiber belts, greatly increases fire resistance by additionally arranging the soft sheet metal on the surfaces of a sheath, and reduces damage to a cable core by additionally arranging the ceramic silicone rubber layer on the surface of the cable core.

Description

Technical field [0001] The invention relates to the field of cable materials, in particular to a mica wrapping composite tape for fire-resistant cables. Background technique [0002] In the use of cables, in order to prevent fires, a layer of mica will be wrapped around the cable as a fire-resistant layer. Although mica has better fire resistance, too thin insulation is not strong and easily damages the cable core. Mica is set. Summary of the invention [0003] In order to solve the above problems, the present invention proposes a mica-wrapped composite tape for fire-resistant cables. [0004] A mica-wrapped composite tape for fire-resistant cables includes a mica tape. The upper and lower sides of the mica tape are covered with polyester films. The upper polyester film of the mica tape is covered with a ceramic silicone rubber layer. The polyester film on the lower layer of the mica tape is pasted with a soft metal flake, and both the soft metal flake and the ceramicized silicone...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01B7/18H01B7/29H01B7/295
CPCH01B7/18H01B7/29H01B7/295
Inventor 后忠
Owner 安徽晨希电缆科技有限公司